Warrington, E. M. Et Al. 2009. Aspects of HF radio propagation. ANNALS OF GEOPHYSICS , vol.52 , 301-321.

Warrington, E. M., Bourdillon, A., Benito, E., Bianchi, C., Monilie, J., Muriuki, M., ... Pietrella, M.(2009). Aspects of HF radio propagation. ANNALS OF GEOPHYSICS , vol.52, 301-321.

Warrington, E. Et Al. "Aspects of HF radio propagation," ANNALS OF GEOPHYSICS , vol.52, 301-321, 2009

Warrington, E. M. Et Al. "Aspects of HF radio propagation." ANNALS OF GEOPHYSICS , vol.52, pp.301-321, 2009

Warrington, E. M. Et Al. (2009) . "Aspects of HF radio propagation." ANNALS OF GEOPHYSICS , vol.52, pp.301-321.

@article{article, author={E. Michael Warrington Et Al. }, title={Aspects of HF radio propagation}, journal={ANNALS OF GEOPHYSICS}, year=2009, pages={301-321} }